Distance calculator

Great-circle distance. Enter an airport ICAO / IATA code or coordinates (for example 52.1657, 20.9671).

KBOS · Boston Logan International Airport → KLDM · Mason County Airport

Distance
680.2 nm
1,259.8 km · 782.8 mi
Course (true)
283°
Reverse course
093°
Flight time
1:33

Straight great-circle distance, not a route. Course is true, not magnetic.